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(2R,3S,4aR,6S,7R,8aS)-2-Hydroxymethyl-7-triisopropylsilanyloxy-6-(2-triisopropylsilanyloxy-ethyl)-octahydro-pyrano[3,2-b]pyran-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

647842-45-3

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647842-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 647842-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,7,8,4 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 647842-45:
(8*6)+(7*4)+(6*7)+(5*8)+(4*4)+(3*2)+(2*4)+(1*5)=193
193 % 10 = 3
So 647842-45-3 is a valid CAS Registry Number.

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